NDLI: Nitrogen removal from optoelectronic wastewater using the simultaneous partial nitrification , anaerobic ammonium oxidation and denitrification ( SNAD ) process in sequencing batch reactor

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Nitrogen removal from optoelectronic wastewater using the simultaneous partial nitrification , anaerobic ammonium oxidation and denitrification ( SNAD ) process in sequencing batch reactor

Content Provider	Semantic Scholar
Author	Daverey, Achlesh Su, Sin-Han Huang, Yu-Tzu Lin, Jih-Gaw
Copyright Year	2012
Abstract	0960-8524/$ see front matter 2011 Elsevier Ltd. A doi:10.1016/j.biortech.2011.12.004 ⇑ Corresponding author. Tel.: +886 35722681; fax: E-mail address: jglin@mail.nctu.edu.tw (J.-G. Lin). Simultaneous partial nitrification, anaerobic ammonium oxidation and denitrification (SNAD) system was applied to treat the opto-electronic industrial wastewater in a 2.5 L sequencing batch reactor. The characteristics of wastewater were low C/N ratio ( 0.2) with 100 mg-COD/L and 567 mgNH4 —N=L. The experiment was carried out over 8 months in six different stages, where nitrogen loading rate was gradually increased from 16 g-N/m d in stage I to 230 g-N/m d in stage VI. The COD and nitrogen removal rates by the SNAD system reached to 28 g COD/m d and 197 g NH4 —N=m 3 d, respectively in stage VI. These results showed that the SNAD system is suitable to treat wastewater containing high nitrogen pollutants with low COD level. Presence of ammonium oxidizing bacteria and anammox bacteria were confirmed by polymerase chain reaction (PCR). PCR results also indicated that Candidatus Kuenenia stuttgartiensis may be one of the dominant species in the reactor. 2011 Elsevier Ltd. All rights reserved.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://ir.nctu.edu.tw/bitstream/11536/16281/1/000304223300038.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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